package com.atguigu.lease.web.admin.service.impl;

import com.atguigu.lease.model.entity.SystemUser;
import com.atguigu.lease.web.admin.mapper.SystemUserMapper;
import com.atguigu.lease.web.admin.service.SystemUserService;
import com.atguigu.lease.web.admin.vo.system.user.SystemUserItemVo;
import com.atguigu.lease.web.admin.vo.system.user.SystemUserQueryVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * @author liubo
 * @description 针对表【system_user(员工信息表)】的数据库操作Service实现
 * @createDate 2023-07-24 15:48:00
 */
@Service
public class SystemUserServiceImpl extends ServiceImpl<SystemUserMapper, SystemUser>
        implements SystemUserService {
    @Autowired
    private SystemUserMapper systemUserMapper;


    @Override
    public IPage<SystemUserItemVo> getPage(IPage<SystemUser> iPage, SystemUserQueryVo queryVo) {
        IPage<SystemUserItemVo>sysytemUserItemVo =  systemUserMapper.selectSystemUserPage(iPage, queryVo);
        return sysytemUserItemVo;
    }

    @Override
    public Boolean isUsernameExists(String username) {
        LambdaQueryWrapper<SystemUser> systemUserLambdaQueryWrapper = new LambdaQueryWrapper<>();
        systemUserLambdaQueryWrapper.eq(SystemUser::getUsername, username);
        Long count = systemUserMapper.selectCount(systemUserLambdaQueryWrapper);
        if (count <= 0) {
            return true;
        } else {
            return false;
        }

    }
}




